Elizabeth Marchwood
From Tardis Wiki, the free Doctor Who reference
Elizabeth Marchwood was the daughter of Lord Marchwood. She and her brother Joseph Marchwood went looking for Erasmus Darkening. He banished her and her brother for eternity.
In the early 21st century her "ghost" as well as her brothers "ghost" tried to warn Sarah Jane Smith about Erasmus. (SJA: The Eternity Trap)